TITLE

Association of Helicobacter species with hepatitis C cirrhosis with or without hepatocellular carcinoma

AUTHOR(S)
Rocha, M.; Avenaud, P.; Ménard, A.; le Bail, B.; Baloboud, C.; Bioulac-Sage, P.; de Magalhães Queiroz, D. M.; Mégraud, F.
PUB. DATE
March 2005
SOURCE
Gut;Mar2005, Vol. 54 Issue 3, p396
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Background and aims: Recent studies have suggested that bacterial coinfection with Helicobacter species in patients already infected with hepatitis C virus (I-ICY) could be involved in the development of cirrhosis and hepatocellular carcinoma (HCC). A retrospective cross sectional study was performed in order to explore the association between Helicobacter species and HCV associated liver diseases. Methods: The presence of Helicobacter species was tested by polymerase chain reaction on liver samples from four groups of patients. Results: Helicobacter 1 6S rDNA was found in only 4.2% of liver samples from control patients (n = 24) and in 3.5% of liver samples from patients with non-cirrhotic chronic hepatitis C (n = 29) while it was found in 68.0% of liver samples from patients with HCV positive cirrhosis without HCC (n = 25) as well as in 61.3% of cirrhotic liver samples from patients with HCV positive cirrhosis and HCC fri =31). In addition, when the HCC tumour tissue was tested (n =21), 90.5% of samples were positive. DNA from Helicobacter pylori-and Helicobacter pullorum-like organisms was found. Conclusions: There is an association between the presence of Helicobacter species DNA in the liver and hepatitis C cirrhosis, with or without HCC. Indeed, the presence of these bacteria could be the result of structural changes in the liver. Alternatively, Helicobacter species could be a co-risk factor in HCV chronic liver diseases. This result warrants prospective studies to determine the possible causal role of these bacteria in the progression of chronic hepatitis C.
ACCESSION #
16348867

 

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